Funny you refer to the 6.5x54 as the old round when the 6.5x55 is older. I have a real soft spot for the 6.5x55 so would recommend that. Brass and dies are easy to obtain and fairly cheap. They have virtually no recoil and seem way out of there league when it comes to killing game. I've killed 2 elk with a 6.5x55 and wouldn't hesitate to use it again. On deer it simply drops them where they stand.

6.5x55 gets my vote.

Bill